According to toolz you can remove the following files: You can get this down to 4.53 gb if you only require English on it for those that want to save some space on their hdd.

BIGFILE_SPANISH.000.tiger

BIGFILE_PORTUGUESE.000.tiger

BIGFILE_ITALIAN.000.tiger

BIGFILE_GERMAN.000.tiger

BIGFILE_FRENCH.000.tiger

BIGFILE_DUTCH.000.tiger

ff14_EN_121130_Clean.bik

Trailer_Hitman5.bik

TRFH_1_NoSlates.bik

TRFH_2_NoSlates.bik

TRFH_3_NoSlates.bik

All these folders in movies folder:

french

german

italian

spanish

Finally the PS3_UPDATE folder.

Also from Bretmaster5:

1) Delete the following

BIGFILE_SPANISH.000.tiger

BIGFILE_PORTUGUESE.000.tiger

BIGFILE_ITALIAN.000.tiger

BIGFILE_GERMAN.000.tiger

BIGFILE_FRENCH.000.tiger

BIGFILE_DUTCH.000.tiger

ff14_EN_121130_Clean.bik

Trailer_Hitman5.bik

TRFH_1_NoSlates.bik

TRFH_2_NoSlates.bik

TRFH_3_NoSlates.bik

a) Now head off to the movies folder and delete following folders.

French

German

Italian

Spanish

b) Select BD mirror & INTERNAL (IF THE GAME IS INTERNAL OBV) (game is on Internal HDD). Repaired permissions and downloaded update for the game an installed update for the game. Loaded game, and Trophys installed and game is now working! Created a save and watched a bit of the intro. Will play game later. Awesome!!

2) The size of the actual game as you can see has gone down and there are no files above the size of 4GB so transfer it to a USB drive as FTP isn't necessary
3) Transfer the game to your PS3 gamez location.
4) Highlight Tomb Raider after successfully transferring the game and chose settings
5) Select BD mirror & INTERNAL (IF THE GAME IS INTERNAL OBV)
6) Joygasm over the opening scene of this wonderful game